Home / 647,983.12-972,408.54-268,904.26

Finding the Fourth Proportional to 647,983.12, 972,408.54 and 268,904.26

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Solution

The fourth proportional to 647,983.12, 972,408.54 and 268,904.26 is: 403,536.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,983.12 : 972,408.54 = 268,904.26 : x
  2. Step 2: Convert to fraction form
    647,983.12/972,408.54 = 268,904.26/x
  3. Step 3: Cross multiply
    647,983.12x = 972,408.54 × 268,904.26
  4. Step 4: Simplify right side
    647,983.12x = 261,484,798,866.38
  5. Step 5: Solve for x
    x = 261,484,798,866.38/647,983.12
  6. Step 6: Final answer
    x = 403,536.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.